Organizations these days spend a major chunk on technology every year, and yet, when someone asks what output exactly that money is giving, the honest answer is usually a nervous long pause followed by a spreadsheet that seems suspicious.

That’s the problem TBM Taxonomy 5.0.1 was built to fix.
The TBM Council has released the most important update to its global technology cost classification standard since version 4.0. The update shows how organizations actually work today, where their cloud bills are growing, how AI investments are piling up, and the pressure on finance and technology leaders to justify every dollar spent.

The biggest changes are practical ones. Cloud spending now has its own dedicated cost pool, so organizations can finally track and allocate what they’re spending with AWS, Azure, or Google Cloud without lumping it in with everything else. AI gets similar treatment, with new categories for AI computing, storage, and model infrastructure, giving organizations a reality check on what their AI ambitions are actually costing them.

There’s also a structural change worth noticing. Applications have been moved out of the solutions layer and into the technology resource towers. It might sound technical, but the practical effect is simple. It separates what technology delivers to the business from how it delivers it. That distinction matters when you’re trying to explain costs to a CFO or a board.

A new tagging capability has been added too, making it easier to slice and filter data without rebuilding the entire model.

For any organization trying to have a more honest, more informed conversation about technology value, Taxonomy 5.0 gives them the common language to do it.

The full whitepaper and data tables are available at tbmcouncil.org/taxonomy.